Public telephone



FIG. 1 is a front elevational view of a public telephone showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side elevational view thereof.

The handset has been omitted from FIGS. 1, 3, and 4 for convenience of illustration. 

The ornamental design for public telephone, as shown and described. 